1-Chloro-2-butyne is an organic compound with the molecular formula C$$_4$$H$$_5$$Cl and a molecular weight of approximately 88.54 g/mol. This colorless to pale yellow liquid exhibits a boiling point of 85-86 °C and a melting point of -65 °C, making it stable under standard conditions while being highly flammable. With a density of 0.923 g/mL at 20 °C, it is soluble in water at a concentration of 14 g/L. The compound is known for its reactivity due to the presence of a chlorine atom attached to the carbon chain which can participate in various chemical reactions including nucleophilic substitutions and eliminations. This compound is incompatible with strong oxidizing agents, necessitating careful handling and storage protocols to mitigate risks associated with its flammability and potential reactivity. As a halogenated alkyne, it serves as an important intermediate in organic synthesis, contributing to the formation of more complex molecules in various chemical processes.
Applications:
1.1-Chloro-2-butyne is utilized as a reagent in organic synthesis, particularly in the preparation of various alkynes and alkenes.
2.It serves as an intermediate in the production of pharmaceuticals and agrochemicals.
3.The compound is used in the investigation of reaction kinetics involving unsaturated aldehydes and ketones.
4.It is involved in the synthesis of crotyl chloride which is important for various chemical applications.
5.1-Chloro-2-butyne is employed in the preparation of silanes and other organosilicon compounds.
6.It can be used in research settings to study structure-reactivity relationships in halogenated compounds.